It can be anything! An apex, subdomain, or even a URL.
Domain Name: 3bio.documento.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T17:29:24.313Z <<<
Domain Name: 3bio.documento.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T17:29:24.313Z <<<